Savings. Shopping.Get Checkmate
An entire skincare routine in a single bottle.
This award-winning serum captures the most gentle and effective form retinol on Earth (retinal)––estimated by dermatologists to be 20x more effective than regular retinol. This elusive ingredient is captured using Protocol's patented oxygen-free bottling technology, designed by the Protocol Lab Team in collaboration with aerospace engineers.
Most clients see improvements within 10 days.
Formulation and active ingredient found to be more effective at reversing wrinkles and dark spots than a $5,000 glycolic acid chemical peel applied in a clinical setting. C. Rouvrais. Journal of Cosmetic Dermatology 2018 Dec;17(6):1136-1143
Key Active:
0.1% retinal, the enzyme-calibrated form of retinol. (i.e., naturally-occuring retinaldehyde)
All products are vegan, cruelty free and 100% recyclable through our Emptiez Recycling Program.
Save on Enzyme-Active Retinol Serum with a Protocol discount code
Checkmate is a savings app with over one million users that have saved $$$ on brands like Protocol.
The Checkmate extension automatically applies Protocol discount codes, Protocol coupons and more to give you discounts on products like Enzyme-Active Retinol Serum.
Checkmate users have also been loving these products from Protocol.
Users have been saving products like this to their collections.
